Replacing transmission with a used one?

Tiny
BROOKBAMMER
  • MEMBER
  • 2008 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 207,000 MILES
Do I ab­solutely have to take the rom out of my trans­mis­sion and put it in­side of the used one be­fore in­stalling the used one onto my car? Both are the re0f10a. Mine is 1xf5a and the used one is 1xf4c.
Thursday, March 30th, 2023 AT 6:09 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

Yes, it is set up specifically for your vehicle. If you don't use the original one, it will cause likely cause drivability issues.

Additionally. Make sure the gear ratio is the same in both transmissions. I believe the part numbers you provided indicate different ratios. You will likely need to contact a dealer for that information. It isn't something I have in a manual.

Let me know.

Joe
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Thursday, March 30th, 2023 AT 8:00 PM

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